Differential Expression of Anthocyanin Biosynthetic Genes and Transcription Factor PcMYB10 in Pears (Pyrus communis L.)

Li Li, Zhao Jun Ban, Xi Hong Li, Mao Yu Wu, Ai Li Wang, Yu Qian Jiang, Yun Hong Jiang

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Anthocyanin biosynthesis in various plants is affected by environmental conditions and controlled by the transcription level of the corresponding genes. In pears (Pyrus communis cv. 'Wujiuxiang'), anthocyanin biosynthesis is significantly induced during low temperature storage compared with that at room temperature. We further examined the transcriptional levels of anthocyanin biosynthetic genes in 'Wujiuxiang' pears during developmental ripening and temperature-induced storage. The expression of genes that encode flavanone 3-hydroxylase, dihydroflavonol 4-reductase, anthocyanidin synthase, UDP-glucose: flavonoid 3-O-glucosyltransferase, and R2R3 MYB transcription factor (PcMYB10) was strongly positively correlated with anthocyanin accumulation in 'Wujiuxiang' pears in response to both developmental and cold-temperature induction. Hierarchical clustering analysis revealed the expression patterns of the set of target genes, of which PcMYB10 and most anthocyanin biosynthetic genes were related to the same cluster. The present work may help explore the molecular mechanism that regulates anthocyanin biosynthesis and its response to abiotic stress at the transcriptional level in plants.

Original languageEnglish
Article numbere46070
JournalPLoS ONE
Volume7
Issue number9
DOIs
Publication statusPublished - 28 Sep 2012

Fingerprint

Pyrus
Pyrus communis
Anthocyanins
pears
anthocyanins
Transcription Factors
transcription factors
Genes
Biosynthesis
genes
biosynthesis
Temperature
Glucosyltransferases
Uridine Diphosphate Glucose
anthocyanidins
Transcription
Flavonoids
storage temperature
abiotic stress
Cluster Analysis

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Differential Expression of Anthocyanin Biosynthetic Genes and Transcription Factor PcMYB10 in Pears (Pyrus communis L.). / Li, Li; Ban, Zhao Jun; Li, Xi Hong; Wu, Mao Yu; Wang, Ai Li; Jiang, Yu Qian; Jiang, Yun Hong.

In: PLoS ONE, Vol. 7, No. 9, e46070, 28.09.2012.

Research output: Contribution to journalArticle

Li, Li ; Ban, Zhao Jun ; Li, Xi Hong ; Wu, Mao Yu ; Wang, Ai Li ; Jiang, Yu Qian ; Jiang, Yun Hong. / Differential Expression of Anthocyanin Biosynthetic Genes and Transcription Factor PcMYB10 in Pears (Pyrus communis L.). In: PLoS ONE. 2012 ; Vol. 7, No. 9.
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